Is the earth flat or round or a donut?

Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Rohit is trying to tune an instrument